1.

Following are the marks obtained by 12 students of XI class. Calculate arithmetic mean by usingdirect and short-cut method.15, 35, 42, 25, 65, 30, 38, 68, 40, 60, 54, 20.[Ans. X-41

AnswerΒ»

Thanks πŸ™‚πŸ™‚πŸ™‚



Discussion

No Comment Found